Last updated: March 2, 2026

Find Your Target Heart Rate Zones

Formula

Training in specific heart rate zones helps optimize your workouts. The fat burn zone (50-70% of max HR) burns a higher percentage of calories from fat, while the cardio zone (70-85%) improves cardiovascular fitness most efficiently.

Your maximum heart rate is estimated as 220 minus your age. While individual variation exists, this formula provides a practical starting point for most adults.

Common use cases:

  • Optimizing workout intensity
  • Heart rate-based training programs
  • Monitoring exercise effort levels

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